EP 3259902 A1 20171227 - METHOD AND APPARATUS FOR ENCODING COLOR MAPPING INFORMATION AND PROCESSING PICTURES BASED ON COLOR MAPPING INFORMATION
Title (en)
METHOD AND APPARATUS FOR ENCODING COLOR MAPPING INFORMATION AND PROCESSING PICTURES BASED ON COLOR MAPPING INFORMATION
Title (de)
VERFAHREN UND VORRICHTUNG ZUR CODIERUNG VON FARBABBILDUNGSINFORMATIONEN UND ZUR VERARBEITUNG VON BILDERN AUF GRUNDLAGE VON FARBABBILDUNGSINFORMATIONEN
Title (fr)
PROCÉDÉ ET APPAREIL DE CODAGE D'INFORMATIONS DE TRANSCRIPTION DE COULEURS ET TRAITEMENT D'IMAGES BASÉ SUR DES INFORMATIONS DE TRANSCRIPTION DE COULEURS
Publication
Application
Priority
- EP 15305266 A 20150220
- EP 2016053585 W 20160219
Abstract (en)
[origin: EP3059937A1] Color mapping information can be used to transform one color to another color. The present embodiments provide a solution for representing the color mapping information using a successive application of multiple color mapping functions. Parameters for the multiple color mapping functions can be encoded into a bitstream. In one embodiment, color mapping functions are consecutively applied on their own domains of definition only. In another embodiment, the first color mapping (CRI1) is applied on its domain of definition only, but the second color mapping is applied only on samples that have been previously color mapped by CRI1 and which are also inside the domain of definition of the second color mapping function. At the decode side, the multiple color mapping functions can be reconstructed and successively applied to a decoded picture to generate another picture.
IPC 8 full level
CPC (source: CN EP KR US)
H04N 1/6025 (2013.01 - EP KR US); H04N 1/6063 (2013.01 - EP KR US); H04N 19/184 (2014.11 - CN); H04N 19/186 (2014.11 - CN); H04N 19/30 (2014.11 - CN); H04N 19/46 (2014.11 - US); H04N 19/70 (2014.11 - CN)
Citation (search report)
See references of WO 2016131970A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3059937 A1 20160824; CN 107258082 A 20171017; CN 107258082 B 20200929; EP 3259902 A1 20171227; EP 3259902 B1 20210811; JP 2018512749 A 20180517; JP 6694439 B2 20200513; KR 102617121 B1 20231226; KR 20170120108 A 20171030; TW 201631970 A 20160901; TW I692971 B 20200501; US 10805506 B2 20201013; US 2018035015 A1 20180201; WO 2016131970 A1 20160825
DOCDB simple family (application)
EP 15305266 A 20150220; CN 201680011026 A 20160219; EP 16705530 A 20160219; EP 2016053585 W 20160219; JP 2017539391 A 20160219; KR 20177022815 A 20160219; TW 105104806 A 20160218; US 201615549187 A 20160219